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Found 8688 dataset(s) matching "ecological".
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We continued research and development of a passive PIT-tag detection system along a pile dike in the estuary (rkm 70). Target fish for this system are returning adult salmonids, whose detection in...
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Water primrose (Ludwigia hexapetala) is an invasive aquatic vegetation that has rapidly increased in coverage throughout the Sacramento-San Joaquin Delta. Water primrose has invaded wetlands and...
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These data were compiled to provide gridded estimates of environmental suitability for pinyon-juniper species in western North America. These gridded suitability projections provide estimates of...
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Annual surveys of juvenile fish and ecosystem status have been conducted since 2011 surveying the entire coast of Oregon and southern Washington. Trawl surveys are done at night in midwater along...
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We carry out oceanographic cruises every two weeks, and have done so for the past 20 years, in continental shelf and slope waters off Newport Oregon, along the Newport Hydrographic Line. In...
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The goals of this project are to examine 1) the relative importance of multiple aquatic habitats (streams, estuaries, and nearshore areas, for example) used by salmon during their migration, 2)...
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Water Quality - Monitoring the migrations of wild Snake River spring/summer Chinook salmon juveniles
This is an ongoing Bonneville Power Administration funded project to annually collect, PIT tag, and release wild Chinook salmon parr in up to 15 streams of the Salmon River drainage in Idaho and...
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The objective of this study is to quantify population, community, and ecosystem level changes as a result of salmon recolonization of the Cedar River, WA above Landsburg Dam. The dam was installed...
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Comprehensive planning and monitoring of abiotic (hydrology, land forms, energy and nutrients, and chemistry) and biotic (plants, fish, invertebrates, birds, mammals) attributes pre- and...
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This data release includes 2 child items with tracking data for Black Scoters, a sea duck species that breeds throughout higher latitudes of Alaska and Canada and winters along coastal areas of...
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Comprehensive planning and monitoring of abiotic (hydrology, land forms, energy and nutrients, and chemistry) and biotic (plants, fish, invertebrates, birds, mammals) attributes pre- and...
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This file contains records of avian point count data that were collected in six National Park Service units as part of the Eastern Rivers and Mountains Network Streamside Bird Monitoring Protocol....
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Comprehensive planning and monitoring of abiotic (hydrology, land forms, energy and nutrients, and chemistry) and biotic (plants, fish, invertebrates, birds, mammals) attributes pre- and...
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Comprehensive planning and monitoring of abiotic (hydrology, land forms, energy and nutrients, and chemistry) and biotic (plants, fish, invertebrates, birds, mammals) attributes pre- and...
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Scientists at NOAA's Northeast Fisheries Science Center (NEFSC) are using environmental DNA (eDNA) to identify fish communities and monitor ecosystems by collecting a water sample and analyzing...
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Landscape dynamics land cover source for the NPS Inventory and Monitoring national Environmental Settings protocol, representing C-CAP 2011 natural versus converted land cover classification for...
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The NEFSC has been conducting aerial surveys of gray seal pupping colonies since 2005 to monitor the number of pups born in U.S. waters. Surveys are flown from either a Cessna 252, Cessna...
